@charset "UTF-8";
* {
           margin: 0;
           padding: 0;
           box-sizing: border-box;
           font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
       }
        
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: linear-gradient(135deg, #2c3e50, #1a1a2e);
            overflow: hidden;
        }
        
        /* 背景图容器 */
        .background-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .background-image {
            width: 100%;
            height: 100%;
            background-image: url(/VehicleManagement/img/1.jpg);
            background-size: cover;
            background-position: center;
            filter: brightness(0.7);
            transform: scale(1.05); /* 轻微放大避免边缘留白 */
        }
        
        /* 登录容器 */
        .login-container {
            width: 420px;
            padding: 40px;
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.5); /* 50% 透明 */
            backdrop-filter: blur(10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4); /* 向下的阴影 */
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            z-index: 10;
        }
        
        .login-container:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }
        
        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .login-header h1 {
            font-size: 2.5rem;
            color: #fff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        
        .login-header p {
            color: rgba(255, 255, 255, 0.8);
            margin-top: 10px;
            font-size: 1.1rem;
        }
        
        .input-group {
            margin-bottom: 25px;
            position: relative;
        }
        
        .input-group i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.8);
            font-size: 18px;
        }
        
        .input-group input {
            width: 100%;
            padding: 15px 20px 15px 50px;
            border: none;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.25);
            color: white;
            font-size: 16px;
            outline: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .input-group input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .input-group input:focus {
            background: rgba(255, 255, 255, 0.35);
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
        }
        
        .remember-forgot {
            display: flex;
            justify-content: space-between;
            margin-bottom: 25px;
            font-size: 14px;
        } 
        .login-btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 50px;
            background: linear-gradient(45deg, #4e54c8, #8f94fb);
            color: white;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .login-btn:hover {
            background: linear-gradient(45deg, #3a3f9e, #7b83f9);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }